US Bridges

Rock House RD over N Moreau CR

Fair

Cole County, Missouri · S 28 T 44 N R 14 W · Structure no. 13450

Built
1994
31 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
295 ft
4 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Rock House RD over N Moreau CR is a prestressed concrete stringer/multi-beam or girder carrying Rock House RD over N Moreau CR in Cole County, Missouri. It was built in 1994, so it is 31 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2044. The structure is 295 ft (89.9 m) long and 26 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesRock House RD
CrossesN Moreau CR
LocationS 28 T 44 N R 14 W
RouteCounty Highway 39
CountyCole County
StateMissouri
Coordinates38.53956, -92.45754
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating37.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length295 ft (89.9 m)
Longest span95 ft (29 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic35 (2024)
Projected traffic60 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rock House RD over N Moreau CR built?

It was built in 1994, making it 31 years old in 2025.

What condition is Rock House RD over N Moreau CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Rock House RD over N Moreau CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rock House RD over N Moreau CR?

The structure is 295 ft (89.9 m) long with a longest span of 95 ft (29 m) and a deck 26 ft wide.

Who owns Rock House RD over N Moreau CR?

It is owned by the County Highway Agency.